Choosing a mid-range smartphone often becomes a difficult dilemma, especially when it comes to popular Xiaomi lineups.The Redmi Note 8 Pro and Redmi Note 9 Pro have become real bestsellers in the market, offering excellent specs for reasonable money.
In this article, we will conduct a deep dive into the specifications to understand which gadget is right for you. We will consider not only dry spec numbers, but also real-life experience, the quality of the housing materials and the features of the MIUI software shell. Understanding these nuances will help avoid disappointment after purchasing the device.
It's worth noting that despite the similar names, these phones represent different generations and engineering approaches of the Chinese giant. The processor architecture, the type of screen array and the charging speed all play a critical role in everyday comfort. Let's take each aspect in detail to get an objective picture.
Design and ergonomics of devices
The look of the smartphone is the first thing a user encounters.The Redmi Note 8 Pro got a glass back panel of Gorilla Glass 5, which gives it a premium look, but makes the device quite slippery and brittle when falling.At the same time, the Redmi Note 9 Pro has switched to a plastic design with a glossy coating that mimics glass, which significantly increased impact resistance.
The sizes of the devices also vary. The newer Note 9 Pro has become larger and heavier, its screen size has grown, and the bezels around the display have become thinner thanks to a cut-out instead of a drop-shaped notch. This allowed us to increase the screen area without significantly increasing the width of the case. However, use (with one hand) has become more difficult due to the increased dimensions.
The location of the controls has changed, the fingerprint scanner in the Note 8 Pro is on the back, under the camera, which is convenient for many users. In the Note 9 Pro, the fingerprint sensor has moved to the side edge, combined with the on button, which is considered more ergonomic, since unlocking occurs by natural movement of the thumb when you grab the phone.
⚠️ Warning: Plastic case Redmi Note 9 Pro stronger, but faster covered with micro scratches and greasy spots, so the use of a protective cover and film here is even more important than in the case of glass counterpart.
Screen and image quality
The display is a major window into the digital world, and there are significant differences between the models in question. Redmi Note 8 Pro features a featured display. IPS-full-HD resolution matrix+ It's a pixel density of about 401 ppi. The color rendering is finely tuned, but the viewing angles and contrast are inferior to more modern ones.
The Redmi Note 9 Pro has a more modern IPS screen with improved brightness and contrast. FullHD+ resolution remained, but thanks to the increased diagonal, the pixel density decreased to 395 ppi, which is almost invisible to the eye. An important advantage was the protection of Gorilla Glass 5 front and rear, as well as the availability of TUV Rheinland certification for reducing harmful blue light.
The brightness of the screen in the Note 9 Pro is higher, which makes reading information in the sun much more comfortable. Automatic brightness control works correctly in both cases, but in the newer model, the light sensor responds faster. For those who read a lot from their phone or watch videos in a bright room, this parameter can be decisive.
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To reduce eye strain at night, activate Reading mode in the screen settings, which adds a warm yellow filter over the image.
Performance: processor and memory
The heart of the Redmi Note 8 Pro was the MediaTek Helio G90T, a 12nm processor that was a powerful, gaming-oriented chip at the time of its release, but it's known for its high heat output. In heavy tasks, the phone can get warmer, leading to trotting, which is a lower frequency for cooling.
The Redmi Note 9 Pro is powered by a Qualcomm Snapdragon 720G, built on a thinner 8nm process, which has provided a better balance between performance and energy efficiency. In the synthetic Single-Core tests, Snapdragon scores higher, which has a positive effect on the speed of opening applications and overall smoothness of the interface.
Both smartphones come with LPDDR4X RAM and UFS 2.1 flash memory, which provides an acceptable speed of writing and reading data. However, the optimization of the system for Qualcomm processors in the MIUI shell is traditionally better, so the Note 9 Pro is less likely to experience sudden game departures or interface freezes.
Why is MediaTek warming up more?
The table below compares the key characteristics of processors:
| Characteristics | Redmi Note 8 Pro | Redmi Note 9 Pro |
|---|---|---|
| Processor | MediaTek Helio G90T | Snapdragon 720G |
| Technique | 12 nm | 8 nm |
| AnTuTu (scores) | ~280 000 | ~330 000 |
| Graphics | Mali-G76 MC4 | Adreno 618 |
Cameras and quality of photography
Photographic capabilities are one of the main battlegrounds for mid-range smartphones. Redmi Note 8 Pro is equipped with a main module 64 MP (Samsung GW1). During the day it takes detailed pictures with good dynamics, but in low light conditions, noise reduction algorithms work aggressively "bloat" small details.
The Redmi Note 9 Pro also got a 64MP sensor, but it's a different model — the Samsung GW1P or Sony IMX682 depending on the region. The main difference was the presence of an ultra-wide-angle camera at 8 MP versus 8 MP in its predecessor, but with improved optics.
Video shooting in both cases is limited to 4K at 30 frames per second, but stabilization in the Note 9 Pro is better implemented thanks to the more modern ISP processor. Night mode in the newer model is faster and gives a less noisy picture, retaining more natural colors.
⚠️ Note: When shooting a video in 4K On both devices, electronic stabilization can work with artifacts (jelly), especially when the camera moves sharply. 1080p 60 fps.
- 📸 Core module: 64 MP, f/1.8, PDAF (model).
- 🌄 Ultrashirek: 8 MP, viewing angle 119° (Note 9 Pro has a slightly better detail on the edges).
- 🔍 Macro: 2 MP (present in both models, but minimal practical benefit).
- 🎥 Video: 4K@30fps, 1080p@30/60fps, slow-motion 120/240 fps.
Autonomy and charging speed
The issue of autonomy is always acute. Redmi Note 8 Pro received a battery capacity of 4500 mAh. For most users, this was enough for a full day of moderate use, but active gamers noticed the discharge by the evening. Support for fast charging with an output of 18 watts allowed to recharge the charge in about 2 hours.
The Redmi Note 9 Pro is a step forward in this discipline, with battery capacity rising to 5020 mAh, which, combined with the energy-efficient Snapdragon processor, provides up to a day and a half of uncharged life, one of the most significant benefits of the newer model for those who are often out of the home.
The charging speed has also been improved.The Note 9 Pro supports 30W fast charging technology. The kit often comes with a corresponding charger (depending on the region) that allows you to charge the smartphone from 0 to 100% in about 1 hour 10 minutes.
☑️ How to extend the life of a battery
Communications and additional functions
Both smartphones feature an NFC contactless payment module, which is standard for this segment. However, the Redmi Note 9 Pro has upgraded antennas to provide a more stable signal in areas of uncertain reception, and retained an infrared port for controlling household appliances and a 3.5 mm headphone jack.
The Note 9 Pro has a USB Type-C port with data support, but the speed is limited by the USB 2.0 standard, as in the previous model. The speaker in the newer version has become louder and cleaner, although still monophonic (talk), stereo pairs from the second speaker is not.
The software on both devices is based on Android with the MIUI shell. Redmi Note 9 Pro originally came out on a newer version of Android and received more major system updates, which guarantees a longer security support life and access to new features in the future.
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The presence of NFC and IR port in both models makes them versatile assistants, but the improved antennas in the Note 9 Pro provide better connectivity in challenging environments.
Conclusions and Comparisons
To sum up, the Redmi Note 9 Pro is a more balanced and modern device.It benefits in battery life, screen quality, processor efficiency and charging speed.The move to Qualcomm's platform solved many of the heating issues that were relevant to the Note 8 Pro.
The Redmi Note 8 Pro was king at the time of its release, and even now it can meet the needs of the unassuming user. If the budget is tight and the phone is mainly for social media and instant messengers, it can still be a good choice, especially in the secondary market.
However, if you choose a phone for an active daily life, gaming and long-term work without an outlet, the price difference between these models (given the current market realities) justifies choosing the Note 9 Pro. A more capacious battery and no overheating are the factors that affect the comfort of use every day.